{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234141",
    "entityType": "User",
    "nonce": "0x6c0a4295dbb56628646ca5f3fd1476674151a873cc28e38d1949eff09914733f",
    "signature": "0x452e204f75c594860a11d3a5a38875133de9e11bb4032aa2e63b359fa258c5a630fb0f15843a85210734cc169aa0ee38520c1100000fc64b4f4ed3fc39bd96c21c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}